Roulette Systems

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Roulette Probabilities

Below are the probabilities, or odds of winning for each of the betting options for both the European (has only one zero) and American (has both zero and double zero) versions of the game.

It is obvious that the European version of roulette is a better game for the player.  As well as being played in Europe, this version is also the standard game in Australia, New Zealand, and is also played in a few casinos in Las Vegas and Atlantic City.

As an example of the difference between the two games, for every dollar you bet on European Roulette, you could expect to get back 97.37 cents over the long run ($1 minus the house edge of 2.63%, or 2.63 cents).  For American roulette, you could only expect to get back 94.74 cents.

For the mathematics experts, or for those who just want a better explanation of how these roulette probabilities and house edge calculations are made see the Gambling Hall Online roulette odds page.  For everyone else, please just believe me when I say that whatever roulette strategy or system you are using, stay away from American roulette!

 

 

European Roulette (one zero)

American Roulette (zero, and double zero)

Option Actual Odds Payout odds House Edge Actual Odds Payout odds House Edge
Straight 36 to 1 35 to 1 2.63% 37 to 1 35 to 1 5.26%
Split 17.5 to 1 17 to 1 2.63% 18 to 1 17 to 1 5.26%
Street 11.33 to 1 11 to 1 2.63% 11.67 to 1 11 to 1 5.26%
Corner 8.25 to 1 8 to 1 2.63% 8.5 to 1 8 to 1 5.26%
Five numbers n/a n/a n/a 6.6 to 1 6 to 1 7.89%
Six-line 5.17 to 1 5 to 1 2.63% 5.33 to 1 5 to 1 5.26%
Column 2.08 to 1 2 to 1 2.63% 2.17 to 1 2 to 1 5.26%
Dozen 2.08 to 1 2 to 1 2.63% 2.17 to 1 2 to 1 5.26%
Low 1.05 to 1 1 to 1 2.63% 1.11 to 1 1 to 1 5.26%
High 1.05 to 1 1 to 1 2.63% 1.11 to 1 1 to 1 5.26%
Even 1.05 to 1 1 to 1 2.63% 1.11 to 1 1 to 1 5.26%
Odd 1.05 to 1 1 to 1 2.63% 1.11 to 1 1 to 1 5.26%
Red 1.05 to 1 1 to 1 2.63% 1.11 to 1 1 to 1 5.26%
Black 1.05 to 1 1 to 1 2.63% 1.11 to 1 1 to 1 5.26%